September 2006
Intermediate to advanced
256 pages
7h 41m
English
Content preview from The Practical Zone System, 4th Edition
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APPENDIX JDeveloper Dilution
A number of film developers are specifically formulated to work well at a variety of dilutions. Thefollowing is a list of some popular developers and the dilutions at which they are commonly used:
| Edwal FG7 | 1:3 to 1:15 |
| Kodak HC110 | 1:3 to 1:30 |
| Ilford Ilfotec HC | 1:31 to 1:47 |
| Kodak D76 | 1:1 or undiluted |
Recommended Normal Development Times and mixing instructions are provided with all these formulas.
Changing the dilution of a given developer has a dramatic effect on its characteristics and performance. As a general rule, developers that are more dilute produce negatives with softer tonal gradations and finer grain. Diluted developers are ideal for Contraction developments because of their relatively ...
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